NFC Card Reader Type M24 (D3CP-08) (MP 501/601 Only)
D255/D256/M281/M282 2-50 SM
Be careful not to damage the hooks on the inside of the right upper cover when you
remove or install the right upper cover.
9. Insert a flathead screwdriver at [A] to release the hook of the scanner front cover [B].
10. Release the two hooks of the scanner front cover [A].